SEAWATER CORROSION STUDIES OF SNAP-21 MATERIALS

The corrosion rates of several SNAP-21 materials measured in seawater at ambient room temperature and pressure (Hastelloy C, Hastelloy X, Titanium- 621, Berylco-165) have been compared to those measured in 200C seawater vapor (Hastelloy C, Hastelloy X), in seawater under a hydrostatic pressure of 70...

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Bibliographic Details
Main Authors: Kubose, Donald A, Lai, Ming G, Goya, Harry A, Cordova, Herman I
Format: Report
Language:English
Subjects:
ALUMINUM ALLOYS
AUXILIARY POWER PLANTS
BERYLLIUM ALLOYS
CHROMIUM ALLOYS
CONTAINERS
COPPER ALLOYS
CORROSION
DAMAGE
ELECTRIC POWER PRODUCTION
IRON ALLOYS
NICKEL ALLOY HASTELLOY ALLOY X
NICKEL ALLOY HASTELLOY C
NICKEL ALLOYS
NIOBIUM ALLOYS
Properties of Metals and Alloys
RADIATION EFFECTS
RADIOACTIVE ISOTOPES
RADIOISOTOPE THERMOELECTRIC DEVICES
SEA WATER
Snap(systems For Nuclear Auxiliary Power) Tech
TANTALUM ALLOYS
THERMOELECTRICITY
TITANIUM ALLOY 621
TITANIUM ALLOYS
UNDERWATER
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Summary:The corrosion rates of several SNAP-21 materials measured in seawater at ambient room temperature and pressure (Hastelloy C, Hastelloy X, Titanium- 621, Berylco-165) have been compared to those measured in 200C seawater vapor (Hastelloy C, Hastelloy X), in seawater under a hydrostatic pressure of 7000 psi (Hastelloy C, Titanium-621, Berylco-165) (23C) and in seawater in an ionizing radiation field of 200,000 r/hr (Hastelloy C, Hastelloy X) (30C). Significant increases in corrosion rate were observed only for Hastelloy C and Hastelloy X in hot seawater vapor (approximately two orders of magnitude) and for Hastelloy C in seawater under high hydrostatic pressure (approximately an order of magnitude).